Home / 12,234.50-16,883.67-7,198.93

Finding the Fourth Proportional to 12,234.50, 16,883.67 and 7,198.93

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Solution

The fourth proportional to 12,234.50, 16,883.67 and 7,198.93 is: 9,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.50 : 16,883.67 = 7,198.93 : x
  2. Step 2: Convert to fraction form
    12,234.50/16,883.67 = 7,198.93/x
  3. Step 3: Cross multiply
    12,234.50x = 16,883.67 × 7,198.93
  4. Step 4: Simplify right side
    12,234.50x = 121,544,358.47
  5. Step 5: Solve for x
    x = 121,544,358.47/12,234.50
  6. Step 6: Final answer
    x = 9,934.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.